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Why Mathematicians Like to Classify Things
It’s “a definitive study for all time, like writing the final book,” says one researcher who’s mapping out new classes of geometric structures.
The Prime Rib Problem
Prime numbers are endlessly fascinating to number theorists and math enthusiasts. This month’s puzzle explores primes by cooking up a whimsical dish of grilled snake ribs.
Eclipse Hunter Reveals the Science That Can Only Be Done in the Dark
Even in the age of sun-observing satellites, astronomers like Jay Pasachoff still seek out total solar eclipses for the tales they can tell about our sun.
Mini-Brains Go Modular
To create a good living replica of the human brain, your best hope may be to let “organoid” components assemble it for you.
New Shapes Solve Infinite Pool-Table Problem
Two “rare jewels” have illuminated a mysterious multidimensional object that connects a huge variety of mathematical work.
Joe Polchinski’s Restless Pursuit of Quantum Gravity
The pot-stirring string theorist and quantum gravity theorist never sits still for long.
Scientists Unveil New Inventory of Universe’s Dark Contents
The first major results from the Dark Energy Survey signal the start of a new era of cosmology.
What Made the Moon? New Ideas Try to Rescue a Troubled Theory
Textbooks say that the moon was formed after a Mars-size mass smashed the young Earth. But new evidence has cast doubt on that story, leaving researchers to dream up new ways to get a giant rock into orbit.
Shrinking Bat DNA and Elastic Genomes
Species gain and shed startling amounts of DNA as they evolve, and even genomes that look stable churn furiously. What does it mean?